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Struggling With Math? Your iPhone Might Have the Answer

Learn how to enable the Scientific Calculator and use Math Notes on your iPhone, and breeze through Math equations with ease.
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How Much Does a Single Cell Weigh? The Brilliant Physics Trick of Weighing Something Less Than a Trillionth of a Gram

It sounds like a strange question, but to biologists it makes all the sense in the world. Yeast cells tip the scales at about ...